Refactor action to typescript (#226)

* Refactor to typescript (config part)

* Refactor to typescript (convert extensions, minor fixes)

* Refactor to typescript (move from `action` to `dist`)

* Re-enable integrity-check for dist index.js

* Fix all tests and lints

* fix parsing major versions

* Test patch level to be digits only

* debug

* debug

* uncache

* manual compile

* debug

* debug

* Debug

* Build lib - doh

* remove diff check

* Make kubernetes workflow manual

* Properly generate 3 digit for simple major tags

* Remove ts-ignore

* re-enable cache

dist/default-build-script/Assets/Editor/Versioning/GitException.cs

@@ -0,0 +1,14 @@
+using System;
+
+namespace UnityBuilderAction.Versioning
+{
+  public class GitException : InvalidOperationException
+  {
+    public readonly int code;
+
+    public GitException(int code, string errors) : base(errors)
+    {
+      this.code = code;
+    }
+  }
+}